Campbell Hausfeld WK250000AV Operating Instructions And Parts Manual

Contents

Campbell Hausfeld WK250000AV Operating Instructions And Parts Manual Manual pdf 11 page image

WK250000AVwww.chpower.com 11MaintenanceRisk of electrical shock. DO NOT attempt todiagnose or repair unless you are professionallytrained in power electronics measurement and troubleshootingtechniques. There are extremely dangerous voltage and power levelspresent inside this unit. Disconnect power before servicing.◆ Before each use, disassemble Air Nozzle, Torch Tip, DiffuserRing, and Electrode.◆ Inspect these parts for cracks, obstructed holes, and slagbuild-up. Remove slag and clear holes.◆ Replace worn parts for best performance.◆ Reassemble parts in reverse order of disassembly. Make surethe Electrode is threaded in fully and tightened lightly. Makesure the Diffuser Ring is seated properly on shoulder of thetorches brass body. Make sure the Torch Tip is seated in theDiffuser Ring. Make sure the Air Nozzle is screwed down fullyand hand-tightened on Torch Body.◆ Inspect all cables for tears of cracks. Replace if damaged.◆ Inspect the unit for external damage and make sure nothingis obstructing airflow through the louvers on the outerpanels.Troubleshooting ChartPlasma CutterSymptom Possible Cause(s) Corrective ActionNo output 1. Tripped circuit breaker2. Blown house fuse3. Poor work clamp connection4. Duty Cycle exceeded1. Reset breaker / use a 20 amp branch circuit2. Replace fuse3. Reattach clamp in a clean bare metal location4. Allow unit to cool for 15 minutesArc goes outwhile cutting1. Duty Cycle exceeded2. Poor work clamp connection3. Hand travel speed too slow4. Tip to workpiece gap too great5. Worn tip or electrode1. Allow unit to cool for 15 minutes2. Reattach clamp in a clean bare metal location3. Increase hand travel speed4. Move tip closer to workpiece5. Replace tip and/or electrodeArc goes on andoff while cutting1. Hand travel speed too slow2. Poor work clamp connection3. Tip to workpiece gap too great4. Worn tip or electrode1. Increase hand travel speed2. Reattach clamp in a clean bare metal location3. Move tip closer to workpiece4. Replace tip and/or electrodeSparks bounceback fromworkpiece1. Hand travel speed too fast2. Insufficient air pressure / flow3. Air line obstructed4. Poor work clamp connection5. Metal too thick1. Decrease hand travel speed2. Increase air pressure at regulator3. Make sure there are no kinks in air line inside torch cable sheath4. Reattach clamp in a clean bare metal location5. Do not exceed the maximum cutting thickness of 1/8 inch steelEdge of cut notperpendicularto top of workpiece1. Torch held at angle while cutting2. Worn torch tip3. Air pressure too high / low1. Hold the torch perpendicular to work piece while cutting2. Replace tip3. Adjust air pressure lower or higherDuty Cycle LightIlluminates1. Duty Cycle exceeded2. Louvers in side panels obstructed3. Inverter malfunction1. Allow unit to cool for 15 minutes2. Clear obstruction from louvers and provide at least 8 inch clearanceto all sides3. Call technical support at 1-800-746-5641Malfunction LightIlluminates1. Air line obstruction2. Improperly assembled torch3. Inverter malfunction1. Clear air line obstruction or kink2. Reassemble torch correctly3. Call technical support at 1-800-746-5641For Information about this product, call 1-800-746-5641.This guide covers basic troubleshooting. It is helpful for solving many of the common problems that can arise with this system.If major complex subassemblies are faulty, the unit must be returned to an authorized service center for repair.Follow safety instructions.